28943196 has 24 divisors (see below), whose sum is σ = 68544000. Its totient is φ = 9503472.

The previous prime is 28943191. The next prime is 28943203. The reversal of 28943196 is 69134982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28943191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17196 + ... + 18803.

It is an arithmetic number, because the mean of its divisors is an integer number (2856000).

Almost surely, 2^28943196 is an apocalyptic number.

It is an amenable number.

28943196 is an abundant number, since it is smaller than the sum of its proper divisors (39600804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28943196 is a wasteful number, since it uses less digits than its factorization.

28943196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36073 (or 36071 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 28943196 is about 5379.8881029256. Note that the first 3 decimals coincide. The cubic root of 28943196 is about 307.0309538829.

The spelling of 28943196 in words is "twenty-eight million, nine hundred forty-three thousand, one hundred ninety-six".